Mechanical Scale, 310-00Readability (d) 0,01g, Capacity 310g. With aluminum pressure castings for the base and beam assembly, agate bearings, steel knife edges, and stainless steel pan, the Dial O Gram is built to the highest standard of quality. The three point base, special floating bearing principle and beam design eliminates the need for level adjustments. The self aligning beam ensures accurate results are garnered effortlessly. Extremely Precise Mechanical Balance with